Method for stabilizing a patina layer

Details Method for stabilizing a patina layer Method for stabilizing a patina layer

1996-10-17

1999-03-09

Cameron, Erma

Coating processes

With post-treatment of coating or coating material

Heating or drying

4273884, 427421, 427435, 106 1444, 106618, 148269, 148272, B05D 102, B05D 118

Patent

active

058797459

ABSTRACT:
In the method for stabilizing an artificial patina layer produced on a copper panel, a transparent cover layer consisting of water glass and hydroxycellulose is applied onto the patina layer immediately after it is produced. The cover layer can consist of sodium or potassium water glass and hydroxycellulose, and is applied onto an artificially patinated copper panel by either immersion or spraying. After immersion or spraying, the cover layer is dried. This occurs in an atmosphere with a temperature of approximately 20.degree. C. to 150.degree. C., within a time period of approximately one to one and a half hours.

REFERENCES:
patent: 1012887 (1911-12-01), Medveczky
patent: 2339200 (1944-01-01), Sowa
patent: 2350161 (1944-05-01), Gloor
patent: 3960576 (1976-06-01), Carter et al.
patent: 4341878 (1982-07-01), Marcantonio et al.
Translation of JP 64-004492, Jan. 1989.
Translation of JP 5-098497, Apr. 1993.
Translation of FR 1527052.

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